WILLIS

Oil · District 10 · Lease #22347

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

117k BBL

Cum Gas

0 MCF

Wells

9

Production

1993-01 — 2026-03

Peak Month

2000-12

Production History

Cum Oil: 117,303 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,054 BBL/mo

Di (annual)

17.2%

b-factor

0.2

EUR

90,430 BBL

R-squared

0.906

type

hyperbolic

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7COX, JOHN L.19,1002000-05-25
8COX, JOHN L.19,1002000-05-25
5COX, JOHN L.211,5001997-05-15
6COX, JOHN L.19,0001991-04-25
142-329-30128--------
1WD42-329-00222--------
242-329-30143--------
342-329-30224--------
442-329-30244--------
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